Abstract: The floodplains of Brahmaputra river valley and its tributaries in Assam are full of wetlands with different types and sizes. The state has only the inland wetlands of both natural and man-made types. The people of Assam have a long history of eco-friendly utilization and management of wetland resources. Over the years the surrounding people of wetlands have been exerting pressure on wetland resources and as a result of it wetlands have undergone degradation at an alarming rate. The present study focuses on two major issues; firstly, to study of the morphological characteristics of flood plain wetlands in the upper Brahmaputra river valley through combination of remote sensing, GIS analysis and field observation. Secondly, to map the wetland ecosystem and degradation of structural habitat caused by streams and riparian alteration.